when you question someone's taste in art, it is more personal, more probing than their politics, religion, sexual preference. it is something that goes to the very soul. >> morley safer on "60 minutes" and journalism today. tonight at 8. >> now, the 2008 vice- presidential debate between joe biden and alaska gov. sarah pailin. the most watched the vice- presidential debate in history. it is the second most watched debate ever. senator biden and the governor met at washington university in st. louis. the moderator was gwen ifill. >> good evening from washington university in st. louis, missouri. i'm gwen ifill of "the newshour" and "washington week" on pbs. welcome to the first and the only 2008 vice presidential debate between the republican nominee, governor sarah palin of alaska, and the democratic nominee, joe biden of delaware. the commission on presidential debates is the sponsor of this event and the two remaining presidential debates. tonight's discussion will cover a wide range of topics, including domestic and foreign policy matters. it will be divided roughly into five-minute se